20 February 2014 Laser-dispersing of forging tools using AlN-ceramics
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Abstract
Forging tools for aluminum work pieces show an increased adhesive wear due to cold welding during the forging process. Laser dispersing offers at this point a great potential to fabricate protective layers or tracks with tailored properties that reduce abrasive or adhesive wear at the surface of highly stressed components. Using different process strategies, four metal ceramic compounds applied on two substrate geometries were investigated regarding their structural and mechanical properties and their performance level. The subsequent forging tests have pointed out a positive effect and less adhesive residuals on the laser dispersed tool surface.
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C. Noelke, M. Luecke, S. Kaierle, V. Wesling, L. Overmeyer, "Laser-dispersing of forging tools using AlN-ceramics", Proc. SPIE 8963, High-Power Laser Materials Processing: Lasers, Beam Delivery, Diagnostics, and Applications III, 89630L (20 February 2014); doi: 10.1117/12.2040833; https://doi.org/10.1117/12.2040833
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